Home / 3,343.70-5,015.55-1,151.90

Finding the Fourth Proportional to 3,343.70, 5,015.55 and 1,151.90

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Solution

The fourth proportional to 3,343.70, 5,015.55 and 1,151.90 is: 1,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.70 : 5,015.55 = 1,151.90 : x
  2. Step 2: Convert to fraction form
    3,343.70/5,015.55 = 1,151.90/x
  3. Step 3: Cross multiply
    3,343.70x = 5,015.55 × 1,151.90
  4. Step 4: Simplify right side
    3,343.70x = 5,777,412.05
  5. Step 5: Solve for x
    x = 5,777,412.05/3,343.70
  6. Step 6: Final answer
    x = 1,727.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.